feat(coal): 添加日期字段- 在 CoalWashingDailyAnalysisKFItemVo 类中添加了 LocalDate 类型的 date 字段

-这个改动使得每日分析报告的标题更加完整，包含了日期信息

src/main/java/cn/lihongjie/coal/coalWashingDailyAnalysis/entity/CoalWashingDailyAnalysisKFItemVo.java

@@ -6,6 +6,7 @@ import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+import java.time.LocalDate;
 import java.time.LocalTime;
 import java.util.*;
 
@@ -15,6 +16,7 @@ import java.util.*;
 @AllArgsConstructor
 public class CoalWashingDailyAnalysisKFItemVo {
 
+    private LocalDate date;
     private LocalTime time;
 
     private String name;